Looking for Family

Hi I'm trying to find more family who is related to me.My grandfather name was Jesus Mireles who was born in San Antonio Texas and lived in Las Vegas Nevada he was born on December 17 1917 an passed away on Janurary 1980.So far from what I no he had almost 27 kids from differnt wifes from differnt states an he has a lot of grandchildren if anyone has any information please email me Thank You